1057864616 has 16 divisors (see below), whose sum is σ = 2031874740. Its totient is φ = 516031360.

The previous prime is 1057864601. The next prime is 1057864663. The reversal of 1057864616 is 6164687501.

It can be written as a sum of positive squares in 2 ways, for example, as 840420100 + 217444516 = 28990^2 + 14746^2 .

It is a super-2 number, since 2×1057864616² = 2238155091569654912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612271 + ... + 1612926.

Almost surely, 2^1057864616 is an apocalyptic number.

It is an amenable number.

1057864616 is a deficient number, since it is larger than the sum of its proper divisors (974010124).

1057864616 is a wasteful number, since it uses less digits than its factorization.

1057864616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225244 (or 3225240 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1057864616 is about 32524.8307605128. The cubic root of 1057864616 is about 1018.9276876459.

The spelling of 1057864616 in words is "one billion, fifty-seven million, eight hundred sixty-four thousand, six hundred sixteen".